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10513143253 = 47734796397
BaseRepresentation
bin10011100101010000…
…11101010111010101
31000010200100000100001
421302220131113111
5133012331041003
64455113051301
7521345146264
oct116250352725
930120300301
1010513143253
114505439148
1220549b6b31
13cb70c4a32
1471a37a5db
15417e7061d
hex272a1d5d5

10513143253 has 16 divisors (see below), whose sum is σ = 10908334080. Its totient is φ = 10125737856.

The previous prime is 10513143239. The next prime is 10513143269. The reversal of 10513143253 is 35234131501.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-10513143253 is a prime.

It is a super-2 number, since 2×105131432532 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10513143293) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1640251 + ... + 1646647.

It is an arithmetic number, because the mean of its divisors is an integer number (681770880).

Almost surely, 210513143253 is an apocalyptic number.

It is an amenable number.

10513143253 is a deficient number, since it is larger than the sum of its proper divisors (395190827).

10513143253 is an equidigital number, since it uses as much as digits as its factorization.

10513143253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6996.

The product of its (nonzero) digits is 5400, while the sum is 28.

Adding to 10513143253 its reverse (35234131501), we get a palindrome (45747274754).

The spelling of 10513143253 in words is "ten billion, five hundred thirteen million, one hundred forty-three thousand, two hundred fifty-three".

Divisors: 1 47 73 479 3431 6397 22513 34967 300659 466981 1643449 3064163 21948107 144015661 223683899 10513143253